Tree ornament



FIG. 1 is a perspective view of the tree ornament showing the new design;

FIG. 2 is a right side view, the left side view being substantially identical thereto;

FIG. 3 is a front view, the rear view being substantially identical thereto;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom view. 

The ornamental design for a tree ornament, as shown and described. 